721774214

素因数分解:

$2^1\times 7^4\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1$

素因数の和:203

約数の個数: 80

約数和(自身を含む): 1343135520

約数和(自身を除く): 621361306

約数列:

[1, 2, 7, 14, 29, 49, 58, 71, 73, 98, 142, 146, 203, 343, 406, 497, 511, 686, 994, 1022, 1421, 2059, 2117, 2401, 2842, 3479, 3577, 4118, 4234, 4802, 5183, 6958, 7154, 9947, 10366, 14413, 14819, 19894, 24353, 25039, 28826, 29638, 36281, 48706, 50078, 69629, 72562, 100891, 103733, 139258, 150307, 170471, 175273, 201782, 207466, 253967, 300614, 340942, 350546, 507934, 706237, 726131, 1052149, 1412474, 1452262, 1777769, 2104298, 3555538, 4943659, 5082917, 7365043, 9887318, 10165834, 12444383, 14730086, 24888766, 51555301, 103110602, 360887107, 721774214]

約数ペア:

[(1, 721774214), (2, 360887107), (7, 103110602), (14, 51555301), (29, 24888766), (49, 14730086), (58, 12444383), (71, 10165834), (73, 9887318), (98, 7365043), (142, 5082917), (146, 4943659), (203, 3555538), (343, 2104298), (406, 1777769), (497, 1452262), (511, 1412474), (686, 1052149), (994, 726131), (1022, 706237), (1421, 507934), (2059, 350546), (2117, 340942), (2401, 300614), (2842, 253967), (3479, 207466), (3577, 201782), (4118, 175273), (4234, 170471), (4802, 150307), (5183, 139258), (6958, 103733), (7154, 100891), (9947, 72562), (10366, 69629), (14413, 50078), (14819, 48706), (19894, 36281), (24353, 29638), (25039, 28826)]